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Impact‐modified poly(styrene‐ co ‐acrylonitrile) blends containing both oxazoline‐functionalized poly(ethene‐ co ‐1‐octene) elastomers and poly(styrene‐ co ‐maleic anhydride) as compatibilizer
Author(s) -
Mäder Dietmar,
Kressler Jörg,
Mülhaupt Rolf
Publication year - 1999
Publication title -
journal of applied polymer science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.575
H-Index - 166
eISSN - 1097-4628
pISSN - 0021-8995
DOI - 10.1002/(sici)1097-4628(19990829)73:9<1685::aid-app9>3.0.co;2-5
Subject(s) - materials science , maleic anhydride , polymer chemistry , copolymer , styrene , acrylonitrile , elastomer , natural rubber , grafting , composite material , polymer
Blends of a poly(styrene‐ co ‐acrylonitrile) (SAN) with poly(ethene‐ co ‐1‐octene) rubber (EOR) were investigated. An improved toughness–stiffness balance was obtained when adding as a compatibilizer a blend consisting of oxazoline‐functionalized EOR, prepared by grafting EOR with oxazoline‐functional maleinate, and poly(styrene‐ co ‐maleic anhydride) (SMA), which is miscible with SAN. Enhanced interfacial adhesion was evidenced by the improved dispersion of the EOR in the SAN matrix and the reduced glass transition temperature of the dispersed EOR phase. Morphology studies using transmission electron microscopy revealed formation of an interphase between the matrix and the rubber particles. © 1999 John Wiley & Sons, Inc. J Appl Polym Sci 73: 1685–1695, 1999